Free all in one software for painting photo editing and animation

GIMP is a free software for image manipulating. It is useful for photo retouching, image authoring, and image composition. It can be used as an alternate of paint programme. It has bot capabilities photo editing and drawing also.
GIMP is developed under UNIX platform, but it can run on Windows and Mac also.
Following are the key features of GIMP.
It is a full suite software for painting with brush, Pencil, Clone, Airbrush facility.
Advance manipulation with full alpha channel support.
Layers and channels.
Multiple do and undo facility.
Editable text layers.
Rotate, scale, shear and flip transformation.
Different shape tools including rectangle, round, rectangle, ellipse, free, fuzzy
Animation and onion skin.
More than 100 plugins available
Many supported File formats include bmp, gif, jpeg, mng, pcx, pdf, png, ps, psd, svg, tiff, tga, xpm, and many others
Load, display, convert, save to many file formats
SVG path import/export